import java.util.Scanner;

//输入一个数，判断是否是偶数（能被2除尽，则是偶数）
public class homework13 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if (n % 2 == 0) {
            System.out.println(n + "是偶数");
        } else {
            System.out.println(n + "是奇数");
        }
    }
}
